Mounting for telescope sights



Searah R00 33-245- OR 294271784 SR Sept. 23, 1947. E. c. HERKNERMOUNTING FOR TELESCOPE SIGHTS Filed Oct. 24, 1945 "In u INVEN TOR.[OW/1P0 6, bf/if/f/VER ATTO RNEY.

Patented Sept. 23, 1947 OUGIUII awn UNITED STATES PATENT OFFICE 3Claims. 1

This invention relates to a device for mounting a telescope on a rifleand has for its principal object the provision of an attachment whichcan be quickly and easily installed on the receiver of a rifle withoutdamaging or interfering with the latter, and which will allow atelescope-supporting member to be quickly applied to or removed from therifle..

Other objects of the invention are to so construct the device that itwill accurately and automatically align the telescope with the rifle,and in which the alignment will not be disturbed by the firing of therifle.

Other objects and advantages reside in the detail construction of theinvention, which is designed for simplicity, economy, and efficiency.These will become more apparent from the fol lowing description.

In the following detailed description of the invention, reference is hadto the accompanying drawing which forms a part hereof. Like numeralsrefer to like parts in all views of the drawing and throughout thedescription.

In the drawing:

Fig. 1 is a fragmentary, perspective view of a typical rifleillustrating the invention in place thereon;

Fig. 2 is a side view of a telescope bracket employed in the improvedmounting;

Fig. 3 is a cross-section of the bracket, taken on the line 33, Fig. 2;

Fig. 4 is an end view of the bracket of Fig. 2;

Fig. 5 is a side view of a mounting block employed for supporting thebracket of Fig. 2;

Fig. 6 is a cross-section through the mounting block, taken on the line66, Fig. 5;

Fig. 7 is a detail edge view of what may be herein designated anattaching key for securing the bracket to the mounting block;

Fig. 8 is an inside face view of the key of Fig. 7; and

Fig. 9 is a cross-section through the complete, assembled telescopemounting, taken on the line 9-9, Fig. 1.

In Fig. 1 a typical rifle is indicated at I with its receiver at II. Theposition of a typical telescope is indicated in broken line at I2. Theimproved mounting consists of two principal parts, a telescope bracket I3 and a mounting block I4.

The mounting block I4 comprises an elongated member having a concaveinner face I shaped to fit snugly against the convex side of thereceiver I I, and an outwardly and downwardly inclined, bevelled uppersurface I6 upon which the bracket dented into the block I I. The keysockets I! are inclined inwardly at their tops to form arcuate,under-cut locking shoulders l8. The block I4 is drilled as shown at I9to receive suitable 5 mounting screws 20 by means of which it is attorelieve the recoil stresses on the mounting screws 20.

The telescope bracket is a single unitary member consisting of anelongated frame portion 23 having a telescope ring band 24 formed ateach extremity and at one side thereof. The bottom of the frame portion23 is bevelled, as shown at 25, to correspond to the angle of thebevelled upper surface I6 of the mounting block I4. The width of thesurface 25 equals the width of the surface I6 so that the outer faces ofthe bracket I3 and the block I4 are substantially in align- ,ment witheach other. The bevelled bottom terminates in a downwardly extendingedge hook 26 which engages the upper edge of the inner face 25 of themounting block I4 to accurately locate and support the bracket on theblock when the device is assembled.

The telescope ring bands 24 are permanently locked about the telescopein any desired manner, an internal key groove 28 being provided tofacilitate the locking of the telescope in the bands.

Two key-receiving indentations 29 are formed in the frame portion 23.These indentations are equal in width to the key sockets I1 and areaccurately spaced to correspond to the spacing of the latter. The upperedge of the back of each indentation 29 is bevelled inwardly, as shownat 30, on an angle of approximately 45. A threaded screw opening 3|extends through the frame portion 23 at the back of each indentation 29.

When the device is assembled, the bevelled bottom 25 of the telescopebracket and the bevelled top I6 of the mounting block are pulled intosnug engagement and held in alignment by means "of locking keys 21,shown in detail in Figs. 7 and .8. The width of the locking keysaccurately corresponds to the width of the locking key sockets I1 andthe key indentations 29 so that when the keys are fitted into thesesockets and indentations, relative longitudinal movement between thebracket I3 and the block I4 is impossible.

The locking keys terminate at their tops in a flange 32, the bevel ofwhich corresponds to the I3 rests. Two locking key sockets I1 areinangle of the inward bevel 30. The lower extrem- 3 ity of the lockingkey is provided with an arcuate, wedge-shaped boss 33 which correspondsin incline and angle to the locking shoulder ill of the locking keysocket H. The key is also provided with a screw opening 34 for thepassage of an attachment screw 35.

The telescope and the telescope bracket are attached to the mountingblock by loosening the screws 35 so as to allow the keys 21 to separatefrom the frame portion 23. The bracket is then placed on the mountingblock, as shown in Fig. 9, with the lower extremities of the keys 21resting in the locking key sockets [1. The screws 35 are then tightenedto draw the keys .21 toward the bottom of the key-receiving indentations29. This causes the bevelled flanges 32 to exert a wedging action on thebevels 30- andsimultaneously causes the boss 33 to exert a similar butoppositely acting wedgingaction upon the arcuate locking shoulders l8.Thus, the entire device is drawn into snug, arcuate'contact toaccurately align the telescope axis of the rifle. Both lateral andlongitudinal movement are prevented and the recoil stresses are absorbedby the perfectly aligned keys 21 inithe snugly fitting receivinggrooves. I I

While a specific form of the improvement has been described andillustrated herein, it is desired to be understood that the same maybevaried, within the scope of the appended claims, without departing fromt he spirit of the invention Having thus described the invention, whatis claimed and desired secured by Letters Patent is:

1. A telescope mounting for the convex side of the receiver of a riflecomprising: a mounting block; a concave inner surface on said mountingblock corresponding to the convex side of the receiver; an outwardly anddownwardly inclined upper edge along said mounting block; atelescope-supporting bracket; an outwardly and downwardly inclined loweredge along said bracket corresponding to and resting on the first edge;means for drawing said two inclined edges into snug intimate engagement;vertical locking key members imbedded in'vertical receiving depressionsin both the mounting block and the bracket, said depressions and saidkey members being equal in' 'width to prevent relative longitudinalmovement therebetween; screw means passing through said key members andforcing the latter into their depressions; and oppositely actingbevelled surfaces on said key members engaging oppositely actingbevelled surfaces on said bracket and mounting block drawing the bracketand block together under the influence of the screw means. v I

2. A telescope mounting for the convex side of the receiver of a riflecomprising: a mounting block; a concave inner surface onsaid mountingblock corresponding to the convex side of the receiver; an outwardly anddownwardly inclined upper edge along said mounting block; atelescope-supporting bracket; an outwardly and 5 downwardly inclinedlower edge along said bracket corresponding to and resting on the firstedge; means for drawing said two inclined edges into snug intimateengagement; vertical locking key members imbedded in vertical receivingdepressions in both the mounting block and the bracket to preventrelative longitudinal movement therebetween; screw means passing throughsaid key members and forcing the latter into their depressions;oppositely acting bevelled surfaces on said key members engagingoppositely acting bevelled surfaces on said bracket and mounting blockdrawing the bracket and block together under the influence of the screwmeans; and an overhanging, hooked portion on said bracket engaging v theinner face of the mounting block to prevent outward movement of theformer on the latter.

3. A telescope mounting for the convex side of the receiver of a riflecomprising: a mounting block; a concave inner surface on said mountingblock corresponding to the convex side of the reoeiver; an outwardly anddownwardly inclined upper edge along said mounting block; atelescope-supporting bracket; an outwardly and downwardly inclined loweredge along said bracket corresponding to and resting on the first edge;vertical receiving slots formed in the outer face of said bracket;similar receiving sockets formed in the outer face of saidmounting blockspaced to correspond to the spacing of said vertical receiving slots;upwardly inclined, bevelled surfaces in the slots'in the bracket;downwardly inclined bevelled surfaces inthe sockets in the block;locking keys equal in width to the width of said sockets and slots;[bevelled surfaces on said locking keys positioned to engage thebevelled surfaces in the bracket and block; and screw means forcing saidkeys inwardly and bringing the bevelled surfaces intowedging contact.

EDWARD C. HERKNER.

REFERENCES CITED The following references are of record in the file ofthis patent:

UNITED STATES PATENTS Number Name Date 2,368,954 Weaver Feb. 6, 19451,856,549 Griffin et a1 May 3, 1932 1,905,070 Steinle L Apr. 25, 1933FOREIGN PATENTS Number Country Date 311,981 Germany May 8, 1919

